(subclass DevicePowerSupply ElectricDevice) | ComputingBrands.kif 3559-3559 | DevicePowerSupply e' uma sub-classe de ElectricDevice |
(subclass DevicePowerSupply DCPowerSource) | ComputingBrands.kif 3560-3560 | DevicePowerSupply e' uma sub-classe de DCPowerSource |